# Solution - General Properties of the Transition Elements (D-block)

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#### Question

The elements of 3d transition series are given as:

Sc Ti V Cr Mn Fe Co

Which element has the highest m.p?

#### Solution

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Complete the following chemical equations:

(i) Cr_2O_7^(2-)+6Fe^(2+)+14H^+ ->

(ii) 2CrO_4^(2-)+2H^+ ->

(iii) 2MnO_4^-+5C_2O_4^(2-)+16H^+ ->

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How would you account for the following?

(i) Transition metals exhibit variable oxidation states.

(ii) Zr (Z = 40) and Hf (Z = 72) have almost identical radii.

(iii) Transition metals and their compounds act as catalyst.

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#### Reference Material

Solution for concept: General Properties of the Transition Elements (D-block). For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science), PUC Karnataka Science
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